/*
 * MSG: Meta SimGrid : an extension to SimGrid for distributed scheduling
 * Copyright (C) 2002 "the MSG Team" (see AUTHORS file)
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 * USA.
 */

#ifndef METASIMGRID_H
#define METASIMGRID_H

#include "msg_datatypes.h"

/************************** MSG **********************************************/
void MSG_global_init(void);
void MSG_set_verbosity(MSG_outputmode_t mode);
MSG_error_t MSG_set_channel_number(int number);
MSG_error_t MSG_set_sharing_policy(MSG_sharing_t mode, long double param);
int MSG_get_channel_number(void);
MSG_error_t MSG_main(void);
MSG_error_t MSG_clean(void);

MSG_error_t MSG_routing_table_init(void);
MSG_error_t MSG_routing_table_set(m_host_t host1, m_host_t host2,
				  m_link_t link);
m_link_t MSG_routing_table_get(m_host_t host1, m_host_t host2);

/************************** Management ***************************************/
m_host_t MSG_host_create(const char *name,
					char *trace_file,
					long double fixed_cpu,
					char* failure_trace,
					long double fixed_failure,
					void *data);

MSG_error_t MSG_host_set_data(m_host_t host, void *data);
void *MSG_host_get_data(m_host_t host);
int MSG_host_get_PID(m_host_t host);
int MSG_process_get_PPID(m_process_t process);
const char *MSG_host_get_name(m_host_t host);
m_host_t MSG_host_from_PID(int PID);
m_host_t MSG_host_self(void);
MSG_error_t MSG_host_destroy(m_host_t host);

int MSG_get_host_msgload(m_host_t host);
int MSG_get_msgload(void);


void MSG_link_set_sharing_value(long double alpha);
m_link_t MSG_link_create(const char *name,
			 char *lat_trace_file, long double fixed_latency,
			 char *bw_trace_file, long double fixed_bandwidth);
MSG_error_t MSG_link_destroy(m_link_t link);
m_link_t MSG_link_merge(const char *name, m_link_t src1, m_link_t src2);


m_task_t MSG_task_create(const char *name, long double compute_duration,
			 long double message_size, void *data);
void *MSG_task_get_data(m_task_t task);
MSG_error_t MSG_task_destroy(m_task_t task);

m_process_t MSG_process_create(const char *name,
			       m_process_code_t code, void *data,
			       m_host_t host);

MSG_error_t MSG_process_change_host(m_process_t process, m_host_t host);

void *MSG_process_get_data(m_process_t process);
MSG_error_t MSG_process_set_data(m_process_t process, void *data);
m_host_t MSG_process_get_host(m_process_t process);
m_process_t MSG_process_from_PID(int PID);
int MSG_process_get_PID(m_process_t process);
const char *MSG_process_get_name(m_process_t process);
int MSG_process_self_PID(void);
int MSG_process_self_PPID(void);
m_process_t MSG_process_self(void);

MSG_error_t MSG_process_suspend(m_process_t process);
MSG_error_t MSG_process_resume(m_process_t process);
int MSG_process_isSuspended(m_process_t process);

MSG_error_t MSG_process_start(m_process_t process);


/************************** GOS **********************************************/
MSG_error_t MSG_task_get(m_task_t * task, m_channel_t channel);
MSG_error_t MSG_task_put(m_task_t task, m_host_t dest, 
			 m_channel_t channel);
MSG_error_t MSG_task_execute(m_task_t task);
int MSG_task_Iprobe(m_channel_t channel);
void MSG_process_sleep(long double nb_sec);
void MSG_tracelink(m_host_t dest, const char* **names, int *count);
MSG_error_t MSG_get_errno(void);

/************************** GIS **********************************************/
void MSG_create_environment(const char *file);

m_host_t MSG_get_host_by_name(const char *name);
m_link_t MSG_get_link_by_name(const char *name);
int MSG_get_host_number(void);
m_host_t *MSG_get_host_table(void);
void MSG_function_register(const char *name, m_process_code_t code);
m_process_code_t MSG_get_registered_function(const char *name);
void MSG_launch_application(const char *file);

MSG_error_t MSG_get_arguments(int *argc, char ***argv);
MSG_error_t MSG_set_arguments(m_process_t process,int argc, char *argv[]);

long double MSG_getClock(void);

/************************** FS **********************************************/
/*  MSG_error_t MSG_get_cpu(m_host_t * h, long double time, long double *val); */
/*  MSG_error_t MSG_get_bw(m_link_t * h, long double time, long double *val); */
/*  MSG_error_t MSG_get_lat(m_link_t * h, long double time, long double *val); */

#endif
